As noted by Michiel Thuys <michiel.thuys@intersil.com>, the weak alias for

srand was in the wrong file, causing rand.o to be needlessly included in some
cases.

libc/stdlib/rand.c

@@ -24,5 +24,3 @@ int rand (void)
     return((int)random());
 }
 
-__asm__(".weak srand; srand = srandom");
-

libc/stdlib/random.c

@@ -34,3 +34,5 @@ void srandom(unsigned int seed)
 	seed3 = seed % 31656 + 1;
 }
 
+__asm__(".weak srand; srand = srandom");
+